chore: add example for benchmarks (#1913)

chore: add example

example/node-middleware.cjs

@@ -0,0 +1,70 @@
+'use strict';
+
+const { createServer } = require("http");
+const { createNodeMiddleware } = require('../lib/create-node-middleware');
+const { createProbot } = require('../lib/create-probot');
+const { sign } = require("@octokit/webhooks-methods");
+const WebhookExamples = require("@octokit/webhooks-examples");
+
+process.env.APP_ID = "123";
+process.env.PRIVATE_KEY = `-----BEGIN RSA PRIVATE KEY-----
+MIIEpAIBAAKCAQEA1c7+9z5Pad7OejecsQ0bu3aozN3tihPmljnnudb9G3HECdnH
+lWu2/a1gB9JW5TBQ+AVpum9Okx7KfqkfBKL9mcHgSL0yWMdjMfNOqNtrQqKlN4kE
+p6RD++7sGbzbfZ9arwrlD/HSDAWGdGGJTSOBM6pHehyLmSC3DJoR/CTu0vTGTWXQ
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+ZcJjRIt8w8g/s4X6MhKasBYm9s3owALzCuJjGzUKcDHiO2DKu1xXAb0SzRcTzUCn
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+x//0u+zd/R/QRUzLOw4N72/Hu+UG6MNt5iDZFCtapRaKt6OvSBwy8w==
+-----END RSA PRIVATE KEY-----`;
+process.env.WEBHOOK_SECRET = "secret";
+process.env.WEBHOOK_PATH = "/";
+
+const pushEvent = JSON.stringify((
+  WebhookExamples.filter(
+    (event) => event.name === "push",
+  )[0]
+).examples[0]);
+
+const appFn = (app) => {
+  app.on("issues.opened", async (context) => {
+    const issueComment = context.issue({
+      body: "Thanks for opening this issue!",
+    });
+    return context.octokit.issues.createComment(issueComment);
+  });
+
+  app.onAny(async (context) => {
+    context.log.info({ event: context.name, action: context.payload.action });
+  });
+
+  app.onError(async (error) => {
+    app.log.error(error);
+  });
+};
+
+const middleware = createNodeMiddleware(appFn, { probot: createProbot() });
+
+const server = createServer(middleware);
+
+server.listen(3000, async () => {
+  console.log("Probot started http://localhost:3000/")
+  console.log(`autocannon -m POST -b '${pushEvent}' -H content-type=application/json -H x-github-event=push -H x-github-delivery=1 -H x-hub-signature-256=${await sign("secret", pushEvent)} http://127.0.0.1:3000/`)
+});

src/create-node-middleware.ts

@@ -3,10 +3,11 @@ import { createNodeMiddleware as createWebhooksMiddleware } from "@octokit/webho
 
 import type { ApplicationFunction, MiddlewareOptions } from "./types";
 import { defaultWebhooksPath } from "./server/server";
+import { createProbot } from ".";
 
 export function createNodeMiddleware(
   appFn: ApplicationFunction,
-  { probot, webhooksPath }: MiddlewareOptions,
+  { probot = createProbot(), webhooksPath }: MiddlewareOptions,
 ): RequestListener {
   probot.load(appFn);